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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 66 · 40 questions
TalentJR

The trick (Double double): Double the number. Double the answer again. That is the number × 4.

NameDateTime takenScore ___ / 40
  1. 1.58 × 4 =
  2. 2.56 × 4 =
  3. 3.34 × 4 =
  4. 4.14 × 4 =
  5. 5.6 × 4 =
  6. 6.36 × 4 =
  7. 7.51 × 4 =
  8. 8.53 × 4 =
  9. 9.26 × 4 =
  10. 10.9 × 4 =
  11. 11.13 × 4 =
  12. 12.39 × 4 =
  13. 13.48 × 4 =
  14. 14.45 × 4 =
  15. 15.24 × 4 =
  16. 16.12 × 4 =
  17. 17.37 × 4 =
  18. 18.23 × 4 =
  19. 19.35 × 4 =
  20. 20.59 × 4 =
  21. 21.28 × 4 =
  22. 22.47 × 4 =
  23. 23.21 × 4 =
  24. 24.42 × 4 =
  25. 25.60 × 4 =
  26. 26.18 × 4 =
  27. 27.33 × 4 =
  28. 28.17 × 4 =
  29. 29.30 × 4 =
  30. 30.46 × 4 =
  31. 31.32 × 4 =
  32. 32.15 × 4 =
  33. 33.16 × 4 =
  34. 34.54 × 4 =
  35. 35.38 × 4 =
  36. 36.40 × 4 =
  37. 37.11 × 4 =
  38. 38.8 × 4 =
  39. 39.57 × 4 =
  40. 40.10 × 4 =

Answer key

  1. 232
  2. 224
  3. 136
  4. 56
  5. 24
  6. 144
  7. 204
  8. 212
  9. 104
  10. 36
  11. 52
  12. 156
  13. 192
  14. 180
  15. 96
  16. 48
  17. 148
  18. 92
  19. 140
  20. 236
  21. 112
  22. 188
  23. 84
  24. 168
  25. 240
  26. 72
  27. 132
  28. 68
  29. 120
  30. 184
  31. 128
  32. 60
  33. 64
  34. 216
  35. 152
  36. 160
  37. 44
  38. 32
  39. 228
  40. 40

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